Kunio Itoh

Person

Takatsuki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and optical pickup device
- Patent number 6,810,057
- Issue date Oct 26, 2004
- Matsushita Electric Industrial Co., Ltd.
- Kunio Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for growing nitride semiconductor crystals, nitride semicond...
- Patent number 6,358,770
- Issue date Mar 19, 2002
- Matsushita Electric Industrial Co., Ltd.
- Kunio Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor laser device
- Patent number 6,249,534
- Issue date Jun 19, 2001
- Matsushita Electronics Corporation
- Kunio Itoh
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for growing nitride semiconductor crystals, nitride semicond...
- Patent number 6,218,207
- Issue date Apr 17, 2001
- Mitsushita Electronics Corporation
- Kunio Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device fabrication method
- Patent number 5,587,334
- Issue date Dec 24, 1996
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Naito
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Low operating current and low noise semiconductor laser device for...
- Patent number 5,386,429
- Issue date Jan 31, 1995
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Naito
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser apparatus
- Patent number 5,068,866
- Issue date Nov 26, 1991
- Matsushita Electric Industrial Co., Ltd.
- Masaru Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Buried twin ridge substrate laser
- Patent number 4,745,611
- Issue date May 17, 1988
- Matsushita Electric Industrial Co., Ltd.
- Ken Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device with decreased light intensity noise
- Patent number 4,731,792
- Issue date Mar 15, 1988
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
A high-output semiconductor laser of dove tail groove type
- Patent number 4,716,571
- Issue date Dec 29, 1987
- Matsushita Electric Industrial Co., Ltd.
- Ken Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor device
- Patent number 4,675,074
- Issue date Jun 23, 1987
- Matsushita Electric Industrial Co., Ltd.
- Masaru Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,651,322
- Issue date Mar 17, 1987
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser structure including dual mounts having ridge an...
- Patent number 4,603,419
- Issue date Jul 29, 1986
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,546,478
- Issue date Oct 8, 1985
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 4,520,485
- Issue date May 28, 1985
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,488,306
- Issue date Dec 11, 1984
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stem for semiconductor laser devices
- Patent number 4,488,304
- Issue date Dec 11, 1984
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terrace-shaped substrate semiconductor laser
- Patent number 4,456,999
- Issue date Jun 26, 1984
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,432,092
- Issue date Feb 14, 1984
- Matsushita Electric Industrial Co., Ltd.
- Iwao Teramoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,392,227
- Issue date Jul 5, 1983
- Matsushita Electric Industrial Co., Ltd.
- Kunio Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,392,228
- Issue date Jul 5, 1983
- Matsushita Electric Industrial Co., Ltd.
- Takako Okabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,383,319
- Issue date May 10, 1983
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a semiconductor laser by liquid phase epitaxial gr...
- Patent number 4,380,861
- Issue date Apr 26, 1983
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,377,865
- Issue date Mar 22, 1983
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser
- Patent number 4,371,967
- Issue date Feb 1, 1983
- Matsushita Electric Industrial Co., Ltd.
- Masaru Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,366,568
- Issue date Dec 28, 1982
- Matsushita Electric Industrial Co. Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,365,336
- Issue date Dec 21, 1982
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,360,920
- Issue date Nov 23, 1982
- Matsushita Electric Industrial Co., Ltd.
- Masaru Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,358,850
- Issue date Nov 9, 1982
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,296,387
- Issue date Oct 20, 1981
- Matsushita Electric Industrial Co., Ltd.
- Takashi Sugino
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method for growing nitride semiconductor crystals, nitride semicond...
- Publication number 20010005023
- Publication date Jun 28, 2001
- Kunio Itoh
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Semiconductor device and optical pickup device

Method for growing nitride semiconductor crystals, nitride semicond...

Nitride semiconductor laser device

Method for growing nitride semiconductor crystals, nitride semicond...

Semiconductor laser device fabrication method

Low operating current and low noise semiconductor laser device for...

Semiconductor laser apparatus

Buried twin ridge substrate laser

Semiconductor laser device with decreased light intensity noise

A high-output semiconductor laser of dove tail groove type

Method of manufacturing semiconductor device

Semiconductor laser

Semiconductor laser structure including dual mounts having ridge an...

Semiconductor laser

Semiconductor device

Terraced substrate semiconductor laser

Stem for semiconductor laser devices

Terrace-shaped substrate semiconductor laser

Semiconductor laser

Terraced substrate semiconductor laser

Terraced substrate semiconductor laser

Semiconductor laser

Method of making a semiconductor laser by liquid phase epitaxial gr...

Semiconductor laser

Semiconductor laser

Semiconductor laser

Terraced substrate semiconductor laser

Terraced substrate semiconductor laser

Terraced substrate semiconductor laser

Semiconductor laser

Patents Applicationslast 30 patents

Method for growing nitride semiconductor crystals, nitride semicond...